203120110213 has 2 divisors, whose sum is σ = 203120110214. Its totient is φ = 203120110212.

The previous prime is 203120110211. The next prime is 203120110241. The reversal of 203120110213 is 312011021302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130669236324 + 72450873889 = 361482^2 + 269167^2 .

It is a cyclic number.

It is not a de Polignac number, because 203120110213 - 2¹ = 203120110211 is a prime.

Together with 203120110211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203120110211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101560055106 + 101560055107.

It is an arithmetic number, because the mean of its divisors is an integer number (101560055107).

Almost surely, 2^203120110213 is an apocalyptic number.

It is an amenable number.

203120110213 is a deficient number, since it is larger than the sum of its proper divisors (1).

203120110213 is an equidigital number, since it uses as much as digits as its factorization.

203120110213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 203120110213 its reverse (312011021302), we get a palindrome (515131131515).

The spelling of 203120110213 in words is "two hundred three billion, one hundred twenty million, one hundred ten thousand, two hundred thirteen".